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from typing import TYPE_CHECKING
from sqlalchemy.orm import Mapped, declarative_mixin, mapped_column
from advanced_alchemy.mixins.sentinel import SentinelMixin
from advanced_alchemy.types import NANOID_INSTALLED
if NANOID_INSTALLED and not TYPE_CHECKING:
from fastnanoid import ( # type: ignore[import-not-found,unused-ignore] # pyright: ignore[reportMissingImports]
generate as nanoid,
)
else:
from uuid import uuid4 as nanoid # type: ignore[assignment,unused-ignore]
@declarative_mixin
class NanoIDPrimaryKey(SentinelMixin):
"""Nano ID Primary Key Field Mixin."""
id: Mapped[str] = mapped_column(default=nanoid, primary_key=True)
"""Nano ID Primary key column."""
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